Add back DiscordShardedClient.UserPresenceUpdated

src/Discord.Net.WebSocket/DiscordShardedClient.Events.cs

@@ -2,7 +2,7 @@
 using System.Threading.Tasks;
 
 namespace Discord.WebSocket
-{                                
+{
     public partial class DiscordShardedClient
     {
         //General
@@ -34,5 +34,12 @@ namespace Discord.WebSocket
             remove { _shardLatencyUpdatedEvent.Remove(value); }
         }
         private readonly AsyncEvent<Func<int, int, DiscordSocketClient, Task>> _shardLatencyUpdatedEvent = new AsyncEvent<Func<int, int, DiscordSocketClient, Task>>();
+
+        public event Func<Optional<SocketGuild>, SocketUser, SocketPresence, SocketPresence, Task> UserPresenceUpdated
+        {
+            add { _userPresenceUpdatedEvent.Add(value); }
+            remove { _userPresenceUpdatedEvent.Remove(value); }
+        }
+        private readonly AsyncEvent<Func<Optional<SocketGuild>, SocketUser, SocketPresence, SocketPresence, Task>> _userPresenceUpdatedEvent = new AsyncEvent<Func<Optional<SocketGuild>, SocketUser, SocketPresence, SocketPresence, Task>>();
     }
-}
+}